* {margin: 0; padding: 0; box-sizing: border-box;}
body {background: #f6f6f6; color: #444; font-family: 'Roboto', sans-serif; font-size: 16px; line-height: 1;}
.container {max-width: 1100px; padding: 0 20px; margin:0 auto;}
.upload-panel {margin: 10px auto 10px; max-width: 500px; text-align: center;}
.button_outer {background: #70c745; border-radius:30px; text-align: center; height: 50px; width: 200px; display: inline-block; transition: .2s; position: relative; overflow: hidden;}
.btn_upload {padding: 17px 30px 12px; color: #fff; text-align: center; position: relative; display: inline-block; overflow: hidden; z-index: 3; white-space: nowrap;}
.btn_upload input {position: absolute; width: 100%; left: 0; top: 0; width: 100%; height: 105%; cursor: pointer; opacity: 0;}
.file_uploading {width: 100%; height: 10px; margin-top: 20px; background: #ccc;}
.file_uploading .btn_upload {display: none;}
.processing_bar {position: absolute; left: 0; top: 0; width: 0; height: 100%; border-radius: 30px; background:#70c745; transition: 3s;}
.file_uploading .processing_bar {width: 100%;}
.success_box {display: none; width: 50px; height: 50px; position: relative;}
.success_box:before {content: ''; display: block; width: 15px; height: 25px; border-bottom: 6px solid #fff; border-right: 6px solid #fff; -webkit-transform:rotate(45deg); -moz-transform:rotate(45deg); -ms-transform:rotate(45deg); transform:rotate(45deg); position: absolute; left: 17px; top: 10px;}
.file_uploaded .success_box {display: inline-block;}
.file_uploaded {margin-top: 0; width: 50px; background:#83ccd3; height: 50px;}
.uploaded_file_view {max-width: 300px; margin: 40px auto; text-align: center; position: relative; transition: .2s; opacity: 0; border: 2px solid #ddd; padding: 15px;}
.file_remove{width: 30px; height: 30px; border-radius: 50%; display: block; position: absolute; background: #aaa; line-height: 30px; color: #fff; font-size: 12px; cursor: pointer; right: -15px; top: -15px;}
.file_remove:hover {background: #222; transition: .2s;}
.uploaded_file_view img {max-width: 100%;}
.uploaded_file_view.show {opacity: 1;}
.error_msg {text-align: center; color: #f00}

.show_file_view {max-width: 300px; margin: 40px auto; text-align: center; position: relative; transition: .2s; padding: 15px;}
.show_file_view img {max-width: 100%;}